[turbofan] Fix exception being re-thrown after finally-block.

src/compiler/control-builders.h

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_COMPILER_CONTROL_BUILDERS_H_
 #define V8_COMPILER_CONTROL_BUILDERS_H_
 
 #include "src/compiler/ast-graph-builder.h"
 #include "src/compiler/node.h"
 
@@ skipping 149 matching lines @@
   Node* exception_node_;            // Node for exception in 'catch' body.
 };
 
 
 // Tracks control flow for a try-finally statement.
 class TryFinallyBuilder FINAL : public ControlBuilder {
  public:
   explicit TryFinallyBuilder(AstGraphBuilder* builder)
       : ControlBuilder(builder),
         finally_environment_(NULL),
-        token_node_(NULL) {}
+        token_node_(NULL),
+        value_node_(NULL) {}
 
   // Primitive control commands.
   void BeginTry();
-  void LeaveTry(Node* token);
-  void EndTry(Node* token);
+  void LeaveTry(Node* token, Node* value);
+  void EndTry(Node* token, Node* value);
   void EndFinally();
 
   // Returns the dispatch token value inside the 'finally' body.
   Node* GetDispatchTokenNode() const { return token_node_; }
 
+  // Returns the saved result value inside the 'finally' body.
+  Node* GetResultValueNode() const { return value_node_; }
+
  private:
   Environment* finally_environment_;  // Environment for the 'finally' body.
   Node* token_node_;                  // Node for token in 'finally' body.
+  Node* value_node_;                  // Node for value in 'finally' body.
 };
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_CONTROL_BUILDERS_H_